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采用氢氟酸分解矿样测定二氧化硅的方法,是氟硅酸钾容量法的另一个类型。据资料介绍,它优于碱熔—氟硅酸钾容量法。目前,国内巳为安徽冶金地质局实验室等普遍使用。为了进一步掌握方法,应用在我省磷矿、磺铁矿、钾长石和蛇纹石等样品的二氧化硅测定,在现有基础上,我们特进行了少量的方法引进、验证试验。
The use of hydrofluoric acid decomposition of mineral samples for the determination of silica is another type of potassium fluosilicate capacity method. According to the information, it is superior to the alkali fusion - potassium fluosilicate capacity method. At present, it has been widely used in laboratories of Anhui Metallurgical and Geological Bureau. In order to further grasp the method, the application of silica in our province phosphate rock, iron ore, potassium feldspar and serpentine and other samples of silica determination, on the basis of the existing, we have carried out a small amount of method introduction, verification test.